Samsung Electronics is trading 6.9% up now at €4030 after investors continued repricing its AI-memory outlook following reports that HBM4 manufacturing yield reached approximately 80%, ahead of schedule.

  • A broad semiconductor rally reinforced the move.
  • Samsung and SK Hynix rose more than 4% premarket as Korean chip stocks benefited from renewed confidence in AI infrastructure demand.
  • The supplied price context shows the latest session’s gain at 6.90%.